.call_service .center_box {
    display: inline-block;
    position: relative;
    z-index: 0;
    vertical-align: middle;
    background-color: #fff;
    height:100%;
    width:100%;
}
.call_service .service_list{
    margin-top: 40px;
}
.call_service .service_list li{
    display: none;
    margin:20px 0;
    width:25%;
    float:left;
}
.call_service .service_list li>div{
    position:relative;
    margin:auto;
    width:100px;
    height:100px;
    border:2px solid #D9DEE4;
    border-radius: 8px;
    cursor: pointer;
}
.call_service .service_list li>div>img{
    display: block;
    height: 40%;
    margin:15px auto;
}
.call_service .service_list li>div>a{
    color: #5c5c5c;
}
.call_service .service_list li>div:after{
    content: "";
    display:none;
    position:absolute;
    width:16px;
    height:16px;
    border-left:2px solid #D9DEE4;
    border-bottom:2px solid #D9DEE4;
    right:0;
    top:0;
}
.call_service .service_list li>div:hover:after{
    display:inline-block;
}
.call_service .service_list li>div.hover:after{
    display:inline-block;
    background:url(../img/icon-hujiaoqueren@2x.png) no-repeat center center;
    background-size: 100% 100%;
}
.call_service textarea{
    margin: 20px 0;
    display:inline-block;
    width:88%;
    height:100px;
    background-color: #fbfbfb;
    border:2px solid #eaeaea;
    border-radius: 8px;
    resize: none;
}
.call_service a.ok_btn{
    display: inline-block;
    width: 140px;
    height:50px;
    font-size: 16px;
    line-height: 50px;
    color: #fff;
    background-color: #FF4134;
    border-radius: 100px;
}